<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
//         //实现以下效果
// const incrementor = createIncrementor(10);
// console.log(incrementor()); // 11
// console.log(incrementor()); // 12
// console.log(incrementor()); // 13
const createIncrementor=a=>{
    const accumulate=b=>{
        a++
        console.log(a);
    }
    return accumulate
}
const incrementor = createIncrementor(10);
incrementor()
incrementor()
incrementor()

    </script>
</body>
</html>